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准确地估计
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  accurately estimate
     if the errors of estimation of cumulants samples and variance are appropriate, the described cumulants matrix equation approach combing with ARMA model can high-efficiently and accurately estimate the seismic wavelet.
     如果累积量样本估计的误差和方差适度,结合自回归滑动平均(ARMA)模型描述的累积量矩阵方程法可以高效、准确地估计出地震子波。
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     Experiments prove that the method can accurately estimate the noise power spectrum.
     实验证明该方法能够相当准确地估计出噪声功率。
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     Simulation results using different plants with transfer function, state space and ARMA representation respectively show that SMSA can accurately estimate the parameters when the model structure is known and that the performance is better than that of the simple genetic algorithm (GA).
     对以传递函数、状态空间和自回归滑动平均 (ARMA)模型形式表达的不同典型对象进行仿真 ,结果表明 :SMSA方法在模型结构已知的情况下可准确地估计参数 ,其性能明显优于单一遗传算法(GA)
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     In order to accurately estimate the value of the intangible assets,it is vitally important to adopt appropriate assessment method.
     为准确地估计无形资产的价值,采用正确的评估方法至关重耍。
     The simulation results show that the models can instantaneously and accurately estimate the rotor flux magnitude of an induction motor under a variety of load conditions.
     仿真结果表明,这两种模型能够快速准确地估计在负载变化条件下感应电机的转子磁链。
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  accurately estimated
     Using the panchromatic wave band of high spatial resolution remote sensing image-QuickBird as the data source, the crown of plantation White Bark Pine (Pinus bungeana) with relative high crown closure was accurately estimated by applying the semivariogram theory of spatial statistics.
     以高空间分辨率遥感影像QuickBird的全色波段为数据源,应用空间统计学半方差理论,对郁闭度较高的人工白皮松林冠幅尺寸进行较为准确地估计
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     Simulation results show that the speed can be accurately estimated from 0r/min to 1500r/min when load and moment of inertia is changed. A good dynamic and static performance of PMSM speed regulation is achieved by this approach.
     仿真表明在0r/min到1500r/min的调速范围内,本方法都能将转速准确地估计出来,并且对负载和转动惯量的变化具有很强的鲁棒性,系统具有良好的动静态性能和抗干扰能力。
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  “准确地估计”译为未确定词的双语例句
     The results with matlab6.5, VC++6.0 and DSP5410 indicate that the robust algorithm can estimate the spectrum value efficiently when the [SNR]=0 DB.
     利用matlab6.5和VC++6.0进行了仿真实验,并在DSP5410中实现了该算法,实验表明,在信噪比为0DB的时候,该算法仍能够较准确地估计出信号谱峰位置,具有良好的鲁棒性.
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     CONCLUSION:Tono-pen tonometer can be used as a good and simple methodon patients undergone trabeculectomy when their IOP is 7-32mmHg.
     Tono-pen眼压计可以准确地估计眼压值。 结论:对于穿透性小梁切除术后的的患者眼压在7~32mmHg间时Tono-pen眼压计可以作为一种准确测量眼压的简单方法。
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     With the approach of hypothesis test, the sinusoidal multitaper spectral estimator can be used to detect the harmonic in colored noise, and to estimate the frequency and magnitude of each harmonic exactly.
     以此为基础 ,结合统计分析的假设检验方法 ,可以利用多正弦窗谱分析技术对色噪声中的谐波信号进行检测 ,准确地估计信号包含的谐波频率及各个谐波的幅度。
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     The results of simulation demonstrates the method in this paper is correct and effective, observer based on neural network can estimates rapidly the real output of system.
     仿真结果表明:该神经网络故障观测器输出曲线平滑,无噪声干扰,观测器与控制系统输出的误差小,神经网络故障观测器能非常迅速、准确地估计系统的实际输出。
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     More than twelve million experiments show that when the number of sampling points is less than 30, only 4 to 5 pairs of matching points are needed to estimate the rigid motion parameters correctly.
     根据已做的总数达一千二百万个不同空间点的实验显示:在采样总数N≤30时,只要有4到5对匹配正确的点就可以准确地估计出刚体空间运动的参数.
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  accurately estimate
An algorithm was developed to accurately estimate the Doppler centroid, which is needed for high-quality synthetic aperture radar (SAR) image formation by resolving the SAR pulse repetition frequency (PRF) ambiguity.
      
In order to accurately estimate the size of the carbon pool and the capacity of the carbon sink in the forested areas of Xiaolong Mountain in Gansu Province, we have established regression equations of organ biomass of eight tree species.
      
Together with optical data, they have allowed us to accurately estimate the bolometric flux from this star and to investigate the structure of its dust envelope over the above period.
      
The aim of this work is to accurately estimate from an image the parameters of some ellipses and their relative positions with respect to a given pattern.
      
This algorithm can accurately estimate the three-axis attitude of a satellite using only star sensor measurements.
      
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  accurately estimated
Through local probing, the algorithm accurately estimated the resource status of the access network.
      
The final average residual saturation can be accurately estimated from calculation of a newly defined capillary number, which takes into account the final equilibrium saturation profile.
      
The analyzed results indicate that the azimuth and slowness of teleseismic signals can be accurately estimated by the method.
      
Although echocardiography accurately estimated mean cardiac output for the group it over- or underestimated cardiac output in individual subjects.
      
Our analysis accurately estimated the number of families.
      
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This paper analyses the confine effect of ties based on the laboratory test results of reinforced concrete columns confined by rectangular ties under eccentric loadings, and suggests a set of formulas and calulation method by considering the influence of this confine effect in the calculation of eccentric compression members. By utilzing this suggested method, we can plot the relationship between the load and deflection. The resulting curve will fairly reflects the practical working conditions of the testsd...

This paper analyses the confine effect of ties based on the laboratory test results of reinforced concrete columns confined by rectangular ties under eccentric loadings, and suggests a set of formulas and calulation method by considering the influence of this confine effect in the calculation of eccentric compression members. By utilzing this suggested method, we can plot the relationship between the load and deflection. The resulting curve will fairly reflects the practical working conditions of the testsd reinforced concrete columns confined by ties under eccentric compression.

本文根据矩形箍筋约束钢筋混凝土偏心受压柱的试验结果,对箍筋约束效应进行了分析,从而提出考虑这一效应计算偏心受压柱强度和变形的方法。47根试验柱的结果表明,利用该法能较准确地估计约束钢筋混凝土偏压柱的最大承载力、极限强度与相应的挠度,能较好地描述试验柱荷载—挠度关系的全过程。

P_n(z) denotes a polynomial of degree n with complex coefficients.The object of the present paper is to prove two theorems.Theorem 1. If |P_n(x)|≤L, -1≤x≤1, thenholds for all complex z, where ω is defined by ω=z+(z~2-1)/(1/2), |ω|≤1.Theorem 2. If P_n(z) is a Legnedre polynomial, thenwhere a≥0, 0≤β≤2π.

本文改进了白恩斯坦不等式,给出了多项式上界更准确的估计。并将它应用于勒让德多项式上界的估计。

A method for predicting foilborne performance of hydrofoil craft in calm sea is presented in this paper. Based on the respective experimental results of the fore and the aft foils, the characteristics of the interference of the fore foil on the aft foil, the geometrical conditions and the equilibrium equations of the craft, the foilborne performance parameters of the craft including trim, submergence depth of each foil, resistance, thrust, etc. can be calculated within entire foilborne speed range (including...

A method for predicting foilborne performance of hydrofoil craft in calm sea is presented in this paper. Based on the respective experimental results of the fore and the aft foils, the characteristics of the interference of the fore foil on the aft foil, the geometrical conditions and the equilibrium equations of the craft, the foilborne performance parameters of the craft including trim, submergence depth of each foil, resistance, thrust, etc. can be calculated within entire foilborne speed range (including take-off speed) by means of digital computer.One of the key points is to evaluate the effects of the fore foil on the aft foil. For various foil systems, the formulae to calculate the position of mean free water surface and the mean downwash angle at the aft foil are derived using the results from the lifting line theory of hydrofoils, and certain corrections on the operating conditions of the aft foil can be made with these formulae. It is found that good agreement between calculated and experimental results can be achieved.

本文提供了一种水翼艇静水翼航性能的计算方法。本方法根据首尾单独水翼模型试验资料、水翼系统的干扰特性、几何条件和艇的平衡方程组等,借助电子计算机计算水翼艇在整个翼航范围内(包括起飞状态)的航行状态、阻力及推力等性能曲线。问题的关键之一在于准确地估计首水翼对尾水翼水动力性能的干扰效应。作者运用水翼升力线理论的某些结果导出了常用形式水翼系统尾翼处的平均液面下降和平均下洗角的计算公式,并以此计算值来修正尾翼的工作状态。实例计算结果和试验结果是一致的。

 
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